diff --git a/.github/settings.yml b/.github/settings.yml
index de8b0429..8b168214 100644
--- a/.github/settings.yml
+++ b/.github/settings.yml
@@ -44,6 +44,12 @@ branches:
           - "Tests (7.4, 2, highest)"
           - "Tests (7.4, 2, locked)"
           - "Tests (7.4, 2, lowest)"
+          - "Tests (8.0, 1, highest)"
+          - "Tests (8.0, 1, locked)"
+          - "Tests (8.0, 1, lowest)"
+          - "Tests (8.0, 2, highest)"
+          - "Tests (8.0, 2, locked)"
+          - "Tests (8.0, 2, lowest)"
         strict: false
       restrictions:
 
diff --git a/.github/workflows/integrate.yaml b/.github/workflows/integrate.yaml
index 34f82ac7..9380f849 100644
--- a/.github/workflows/integrate.yaml
+++ b/.github/workflows/integrate.yaml
@@ -257,6 +257,7 @@ jobs:
           - "7.2"
           - "7.3"
           - "7.4"
+          - "8.0"
 
         composer-version:
           - "1"
diff --git a/CHANGELOG.md b/CHANGELOG.md
index 24fa2dad..ec05b853 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -8,6 +8,10 @@ The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
 
 For a full diff see [`2.5.1...main`][2.5.1...main].
 
+### Added
+
+* Added support for PHP 8.0 ([#465]), by [@core23]
+
 ## [`2.5.1`][2.5.1]
 
 For a full diff see [`2.5.0...2.5.1`][2.5.0...2.5.1].
@@ -475,9 +479,11 @@ For a full diff see [`81bc3a8...0.1.0`][81bc3a8...0.1.0].
 [#420]: https://github.com/ergebnis/composer-normalize/pull/420
 [#422]: https://github.com/ergebnis/composer-normalize/pull/422
 [#424]: https://github.com/ergebnis/composer-normalize/pull/424
+[#465]: https://github.com/ergebnis/composer-normalize/pull/465
 
-[@ergebnis]: https://github.com/ergebnis
+[@core23]: https://github.com/core23
 [@ergebnis-bot]: https://github.com/ergebnis-bot
+[@ergebnis]: https://github.com/ergebnis
 [@localheinz]: https://github.com/localheinz
 [@svenluijten]: https://github.com/svenluijten
 [@TravisCarden]: https://github.com/TravisCarden
diff --git a/composer.json b/composer.json
index fd5c0940..16038daf 100644
--- a/composer.json
+++ b/composer.json
@@ -17,7 +17,7 @@
     }
   ],
   "require": {
-    "php": "^7.1",
+    "php": "^7.1 || ^8.0",
     "composer-plugin-api": "^1.1.0 || ^2.0.0",
     "ergebnis/json-normalizer": "~0.12.0",
     "ergebnis/json-printer": "^3.0.2",
diff --git a/composer.lock b/composer.lock
index 9a4278dd..1dafb6cb 100644
--- a/composer.lock
+++ b/composer.lock
@@ -4,7 +4,7 @@
         "Read more about it at https://getcomposer.org/doc/01-basic-usage.md#installing-dependencies",
         "This file is @generated automatically"
     ],
-    "content-hash": "5787e3fe85f9994c13a47350485b22a7",
+    "content-hash": "0578ba4326440eb256705a1f1fd9c5b3",
     "packages": [
         {
             "name": "ergebnis/json-normalizer",
@@ -3512,7 +3512,7 @@
     "prefer-stable": true,
     "prefer-lowest": false,
     "platform": {
-        "php": "^7.1",
+        "php": "^7.1 || ^8.0",
         "composer-plugin-api": "^1.1.0 || ^2.0.0"
     },
     "platform-dev": [],